Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
hieu van » hieu va, thien van, lieu va
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
dinh ve » dinh ket, dinh van
danh vi » hanh vi, dinh vi, danh di
cua duc » cua tuc, cua nuoc, cua quoc
cam loc » cam lo
van cam » van nam, van lam, van cau
lap hai » lap tai, lap lai, lap hoat
ty sang » ty xang, ty hang, duy sang
cua te » cua tu
loc va » hoc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty sang lap hai. hieu van cam loc va ((danh vi) or (dinh ve)) ((cua te) or (cua duc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty sang lap hai. hieu van cam loc va ((danh vi) OR (dinh ve)) ((cua te) OR (cua duc)).
• Adding a wildcard symbol may retrieve word variants: so sach ty sang lap hai. hieu van cam loc va ((danh vi) or (dinh ve)) ((cua te) or (cua duc))*.